This volume addresses the subject of uncertainty from the point of view of an extended conception of rationality. In particular, the contributions explore the premises and implications of plausible reasoning when probabilities are non-measurable or unknown, and when the space of possible events is only partially identified. more...

Belief in propositions has had a long and distinguished history in analytic philosophy. Three of the founding fathers of analytic philosophy, Gottlob Frege, Bertrand Russell, and G. E. Moore, believed in propositions. Many philosophers since then have shared this belief; and the belief is widely, though certainly not universally, accepted among philosophers... more...

This is a reissue of a book which is an exploration and defence of the notion of modality 'de re', the idea that objects have both essential and accidental properties. It is one of the first full-length studies of the modalities to emerge from the debate to which Saul Kripke, David Lewis, Ruth Marcus and others have contributed.The argument... more...

In this wide ranging volume of philosophical essays John Haldane explores some central areas of social life and issues of intense academic and public debate. These include the question of ethical relativism, fundamental issues in bioethics, the nature of individuals in relation to society, the common good, public judgement of prominent individuals,... more...

This book, provides a critical approach to all major logical paradoxes: from ancient to contemporary ones. There are four key aims of the book: 1. Providing systematic and historical survey of different approaches -- solutions of the most prominent paradoxes discussed in the logical and philosophical literature. 2. Introducing original solutions of... more...

This book provides a new, linguistic approach to Argumentation Theory. Its main goal is to integrate the logical, dialectical and rhetorical dimensions of argumentation in a model providing a unitary treatment of its justificatory and persuasive powers. This model takes as its basis Speech Acts Theory in order to characterize argumentation as a second-order... more...

The basic question of this monograph is: how should we go about judging arguments to be reasonable or unreasonable? Our concern will be with argument in a broad sense, with realistic arguments in natural language. The basic object will be to engage in a normative study of determining what factors, standards, or procedures should be adopted or appealed... more...

It is a longstanding if not altogether coherent tradition of logic and rhetorical studies that an argument can be incorrect or fallacious in virtue of some proposition in it being ?irrelevant?. This monograph clarifies that tradition. Non-classical propositional calculi, including relevance logics and relatedness logics, are juxtaposed against conversational... more...

This volume reprints eight of Anil Gupta's essays, some with additional material. The essays bring a refreshing new perspective to central issues in philosophical logic, philosophy of language, and epistemology. Gupta argues that logical interdependence is legitimate, and that it provides a key to understanding a variety of topics of interest to... more...